Stand 2 to raise ISS-7000 series incubator shakers 300mm from the floor

Stand 2 to raise a two Jeio Tech ISS-7000 series incubator shakers 300mm from the floor, to make the bottom unit easier to load/unload, stacking kits to securely attach 2x ISS-7000 units to the stand and each other, and lockable castors.